From bf4630076762d9c20c16c80c1c791f352b046dd1 Mon Sep 17 00:00:00 2001 From: Brad Bishop Date: Mon, 30 Jun 2014 22:10:16 -0500 Subject: Port FFS tools over from Building Block repository. --- clib/watch.h | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 clib/watch.h (limited to 'clib/watch.h') diff --git a/clib/watch.h b/clib/watch.h new file mode 100644 index 0000000..7f09f3e --- /dev/null +++ b/clib/watch.h @@ -0,0 +1,87 @@ +/* + * Copyright (c) International Business Machines Corp., 2014 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * File: watch.h + * Author: Shaun Wetzstein + * Descr: Directory activity callback monitor + * Note: + * Date: 10/03/10 + */ + +#ifndef __WATCH_H__ +#define __WATCH_H__ + +#include +#include + +#include + +#include "attribute.h" +#include "builtin.h" +#include "assert.h" + +#include "array.h" + +/* ==================================================================== */ + +#define WATCH_ACCESS IN_ACCESS +#define WATCH_ATTRIB IN_ATTRIB +#define WATCH_CLOSE_WRITE IN_CLOSE_WRITE +#define WATCH_CLOSE_NOWRITE IN_CLOSE_NOWRITE +#define WATCH_CREATE IN_CREATE +#define WATCH_DELETE IN_DELETE +#define WATCH_DELETE_SELF IN_DELETE_SELF +#define WATCH_MODIFY IN_MODIFY +#define WATCH_MOVE_SELF IN_MOVE_SELF +#define WATCH_MOVE_FROM IN_MOVE_FROM +#define WATCH_MOVE_TO IN_MOVE_TO +#define WATCH_OPEN IN_OPEN + +typedef struct watch watch_t; +typedef struct watch_callback watch_callback_t; +typedef struct inotify_event watch_event_t; + +typedef int (*watch_f) (watch_event_t *); + +struct watch { + int fd; + array_t callbacks; +}; + +struct watch_callback { + void *data; + watch_f func; +}; + +/* ======================================================================= */ + +extern void watch_init(watch_t * self) __nonnull((1)); +extern void watch_delete(watch_t * self) __nonnull((1)); + +extern int watch_fileno(watch_t * self) __nonnull((1)); + +extern uint32_t watch_add(watch_t * self, const char *path, uint32_t events, + watch_callback_t * cb) __nonnull((1, 2)); +extern void watch_remove(watch_t * self, uint32_t wd) __nonnull((1)); + +extern void watch_wait(watch_t * self) __nonnull((1)); + +/* ======================================================================= */ + +#endif /* __watch_H__ */ -- cgit v1.2.1